Heat Oven to 180°C, 350°F, Gas Mark 4. Grease and line a ½ kg (1 lb) loaf tinSift together the flour, bicarb and saltCream the butter and sugar until light and fluffy. Add the eggs a bit at a time, alternatively with most of the flourStir in the rest of the flour, along with the bananas. Carefully fold in the butterscotch chips/fudge piecesPlace mixture in the tin, level off. Bake on the middle shelf for 1¼ hours